This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 209 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 209 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of changing nitrogen gas to nitrates A) Nitrogen fixation. B) Groundwater. Show Answer Correct Answer: A) Nitrogen fixation. 2. How does habitat fragmentation reduce genetic diversity in species? A) Habitat fragmentation makes nonnative species introduction possible. B) Habitat fragmentation opens migration routes. C) Habitat fragmentation isolates a large population into smaller groups. D) Habitat fragementation encourages open gene flow. Show Answer Correct Answer: C) Habitat fragmentation isolates a large population into smaller groups. 3. Although Keystone Species can cause a significant change to the ecosystem's population, ..... populations must always be in the greatest quantity for ecosystem health. A) Producers. B) Primary consumers. C) Secondary consumers. D) Tertiary consumers. Show Answer Correct Answer: A) Producers. 4. The prey population distribution is limited by A) Too many prey. B) Hours of sunlight. C) The type of food. D) Predator removal. Show Answer Correct Answer: D) Predator removal. 5. What type of consumer eats plants? A) Carnivore. B) Herbivore. C) Omnivore. D) Parasite. Show Answer Correct Answer: B) Herbivore. 6. Which is an abiotic factor that would affect the ability of a species of tree to survive in a particular habitat? A) Type and number of rabbits present. B) Climax vegetation of the area. C) Availability of minerals in the soil. D) Type and number of tree parasites present. Show Answer Correct Answer: C) Availability of minerals in the soil. 7. A relationship between organisms. A) Symbiosis. B) Competition. C) Predation. D) None of above. Show Answer Correct Answer: A) Symbiosis. 8. What is the term for the normal environment in which an animal or plant lives? A) Biodiversity. B) Ecology. C) Ecosystem. D) Habitat. Show Answer Correct Answer: D) Habitat. 9. A symbiotic relationship that involves species having to fight for something they both need or want A) Competition. B) Predation. C) Commensalism. D) Parasitism. Show Answer Correct Answer: A) Competition. 10. A living thing that needs to eat other living things for food: A) Consumer. B) Producer. C) Desk chair. D) None of above. Show Answer Correct Answer: A) Consumer. 11. A resource or condition that limits the growth or population within an ecosystem A) Sustainable. B) Carrying Capacity. C) Limiting Factor. D) Biodiversity. Show Answer Correct Answer: C) Limiting Factor. 12. As a society, we tend to buy: A) Cheap materials that we will throw away rather than repair. B) Durable materials that we will repair and maintain rather than throw away. C) Materials that are sustainably produced. D) None of above. Show Answer Correct Answer: A) Cheap materials that we will throw away rather than repair. 13. When carbon dioxide dissolves from the air into the ocean-the interaction is between ..... A) The atmosphere and geosphere. B) The atmosphere and hydrosphere. C) The atmosphere and biosphere. D) The atmosphere and atmosphere. Show Answer Correct Answer: B) The atmosphere and hydrosphere. 14. A person A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 15. An underground layer of rock that stores water is called a(n) A) Spring. B) Aquifer. C) Swamp. D) Fen. Show Answer Correct Answer: B) Aquifer. 16. Which of these describes a species that has become extinct? A) Fewer members of the species are dying than being born. B) More members of the species are dying than being born. C) Very few members of a species are alive. D) All members of a species have died. Show Answer Correct Answer: D) All members of a species have died. 17. Which of the following represents an economic benefit of invasive lionfish in the Gulf of Mexico? A) Decrease in fishing income as the lionfish outcompete native fishes. B) Increase in tourism dollars from those wanting to eat lionfish dishes in local restaurants. C) Increase in injuries to divers trying to get underwater selfies with lionfish. D) Decrease in the health of reef habitats as lionfish prey on native species. Show Answer Correct Answer: B) Increase in tourism dollars from those wanting to eat lionfish dishes in local restaurants. 18. Species that has died out and no individuals are left A) Extinction. B) Endangered Species. Show Answer Correct Answer: A) Extinction. 19. All fungi are multicellular. A) True. B) False. Show Answer Correct Answer: B) False. 20. Nonmetals do NOT have which of the following characteristics: A) Shiny. B) Brittle. C) Non-conductor. D) Non-reactive with HCl/CuCl2. Show Answer Correct Answer: A) Shiny. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books